SCHEDULE: NOV 16-22, 2013

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ABSTRACT:Scientific collaborations on global scale, such as the LHC, rely on the presence of high performance, high availability networks. The efficiency in data movement translates directly into the capability to reach scientific goals in a timely manner. With the increasing scale and complexity of international research collaborations as well as the network infrastructures, new methods of providing efficient data transport are necessary. Software Defined Networking and OpenFlow offer themselves as a new paradigm and a protocol to achieve this goal. In this demo we address the challenge of traffic optimization for large flows in Wide Area OpenFlow Networks. We present a distributed controller implementation used to enable application aware networking. In particular, we present an API that can be used by data movement applications to provide additional information to the OpenFlow controller. Using this information, we demonstrate efficient automatic on-demand path selection and traffic engineering in a multipath network, aiming at optimized network utilization.